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Drug Interactions between Diprivan and Lufyllin-EPG

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

PHENobarbital propofol

Applies to: Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital) and Diprivan (propofol)

MONITOR: Additive central nervous system and cardiorespiratory depressant effects may occur when fospropofol or propofol is administered with other depressants such as sedative-hypnotic agents and narcotic analgesics.

MANAGEMENT: Patients should be monitored closely for excessive sedation and cardiorespiratory depression, and the medication dosage(s) adjusted accordingly. Supportive therapy should be provided if needed.

References

  1. McClune S, McKay AC, Wright PM, et al. "Synergistic interaction between midazolam and propofol." Br J Anaesth 69 (1992): 240-5
  2. Gill SS, Wright EM, Reilly CS "Pharmacokinetic interaction of propofol and fentanyl: single bolus injection study." Br J Anaesth 65 (1990): 760-5
  3. "Product Information. Diprivan (propofol)." Astra-Zeneca Pharmaceuticals PROD (2001):
  4. Pavlin DJ, Coda B, Shen DD, et al. "Effects of combining propofol and alfentanil on ventilation, analgesia, sedation, and emesis in human volunteers." Anesthesiology 84 (1996): 23-37
  5. Hamaoka N, Oda Y, Hase I, Mizutani K, Nakamoto T, Ishizaki T, Asada A "Propofol decreases the clearance of midazolam by inhibiting CYP3A4: An in vivo and in vitro study." Clin Pharmacol Ther 66 (1999): 110-7
  6. "Product Information. Lusedra (fospropofol)." Eisai Inc (2008):
View all 6 references

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Minor

ePHEDrine dyphylline

Applies to: Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital) and Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital)

Ephedrine-methylxanthine combinations are used for the treatment of asthma but the efficacy of the combination has been questioned. This combination may lead to increased xanthine side effects. The mechanism is unknown, but may be related to synergistic pharmacologic effects. Patients using this combination should be closely monitored for side effects such as nausea, vomiting, tachycardia, nervousness, or insomnia. If side effects are noted, the dosage of the xanthine may need to be decreased.

References

  1. Weinberger M, Bronsky E, Bensch GW, Bock GN, Yecies JJ "Interaction of ephedrine and theophylline." Clin Pharmacol Ther 17 (1975): 585-92
  2. Sims JA, doPico GA, Reed CE "Bronchodilating effect of oral theophylline-ephedrine combination." J Allergy Clin Immunol 62 (1978): 15-21
  3. Tinkelman DG, Avner SE "Ephedrine therapy in asthmatic children. Clinical tolerance and absence of side effects." JAMA 237 (1977): 553-7
  4. Weinberger MM, Brousky EA "Evaluation of oral bronchodilator therapy in asthmatic children: bronchodilators in asthmatic children." J Pediatr 84 (1974): 421-7
  5. Badiei B, Faciane J, Sly M "Effect of throphylline, ephedrine and theri combination upon exercise-induced airway obstruction." Ann Allergy 35 (1975): 32-6
View all 5 references

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Minor

dyphylline propofol

Applies to: Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital) and Diprivan (propofol)

Theophyllines may antagonize the sedative effects of propofol. In one patient receiving ventilatory support, the amount of propofol required for sedation decreased following discontinuation of an aminophylline infusion. Further study is needed to confirm this interaction.

References

  1. Taylor BL, Collins C "Aminophylline and propofol: apparent antagonism." Anaesthesia 43 (1988): 508

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Drug and food interactions

Major

PHENobarbital food

Applies to: Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital)

GENERALLY AVOID: Concurrent acute use of barbiturates and ethanol may result in additive CNS effects, including impaired coordination, sedation, and death. Tolerance of these agents may occur with chronic use. The mechanism is related to inhibition of microsomal enzymes acutely and induction of hepatic microsomal enzymes chronically.

MANAGEMENT: The combination of ethanol and barbiturates should be avoided.

References

  1. Gupta RC, Kofoed J "Toxological statistics for barbiturates, other sedatives, and tranquilizers in Ontario: a 10-year survey." Can Med Assoc J 94 (1966): 863-5
  2. Misra PS, Lefevre A, Ishii H, Rubin E, Lieber CS "Increase of ethanol, meprobamate and pentobarbital metabolism after chronic ethanol administration in man and in rats." Am J Med 51 (1971): 346-51
  3. Saario I, Linnoila M "Effect of subacute treatment with hypnotics, alone or in combination with alcohol, on psychomotor skills related to driving." Acta Pharmacol Toxicol (Copenh) 38 (1976): 382-92
  4. Stead AH, Moffat AC "Quantification of the interaction between barbiturates and alcohol and interpretation of fatal blood concentrations." Hum Toxicol 2 (1983): 5-14
  5. Seixas FA "Drug/alcohol interactions: avert potential dangers." Geriatrics 34 (1979): 89-102
View all 5 references

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Moderate

propofol food

Applies to: Diprivan (propofol)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. Warrington SJ, Ankier SI, Turner P "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology 15 (1986): 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
  3. "Product Information. Fycompa (perampanel)." Eisai Inc (2012):
  4. "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc (2015):
View all 4 references

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Moderate

ePHEDrine food

Applies to: Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital)

MONITOR: Coadministration of two or more sympathomimetic agents may increase the risk of adverse effects such as nervousness, irritability, and increased heart rate. Central nervous system (CNS) stimulants, particularly amphetamines, can potentiate the adrenergic response to vasopressors and other sympathomimetic agents. Additive increases in blood pressure and heart rate may occur due to enhanced peripheral sympathetic activity.

MANAGEMENT: Caution is advised if two or more sympathomimetic agents are coadministered. Pulse and blood pressure should be closely monitored.

References

  1. Rosenblatt JE, Lake CR, van Kammen DP, Ziegler MG, Bunney WE Jr "Interactions of amphetamine, pimozide, and lithium on plasma norepineophrine and dopamine-beta-hydroxylase in schizophrenic patients." Psychiatry Res 1 (1979): 45-52
  2. Cavanaugh JH, Griffith JD, Oates JA "Effect of amphetamine on the pressor response to tyramine: formation of p-hydroxynorephedrine from amphetamine in man." Clin Pharmacol Ther 11 (1970): 656
  3. "Product Information. Adderall (amphetamine-dextroamphetamine)." Shire Richwood Pharmaceutical Company Inc PROD (2001):
  4. "Product Information. Tenuate (diethylpropion)." Aventis Pharmaceuticals PROD (2001):
  5. "Product Information. Sanorex (mazindol)." Novartis Pharmaceuticals PROD (2001):
  6. "Product Information. Focalin (dexmethylphenidate)." Mikart Inc (2001):
  7. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company (2002):
View all 7 references

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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